Metrohm 767 Calibrated Reference - Manual (Page 17)

5 Appendix
767 Calibrated Reference Instructions for Use
13
5 Appendix
5.1 Technical specifications
5.1.1 Measuring source
3 outputs with socket G:
cover closed cover open
voltage resistance voltage
socket (4) 0 mV 1 GS approx. 1200 mV
socket (5) 0 mV 14.3 kS approx. 1200 mV
socket (6) 0 mV
(pH = 7)
460 kS
approx. - 341 mV
(pH = 12.7)
Outputs with sockets B (temperature measurement):
socket (1)
socket (2)
100 S (Pt100)
socket (3)
1000 S
(Pt 1000)
The individual data are given in the two tables on the cover. Individual additional data
can be found in the certificate.
5.1.2 Temperature coefficient
cover closed cover open
socket (1)
socket (2)
25 ppm/°C 25 ppm/°C
socket (3)
25 ppm/°C 25 ppm/°C
socket (4) 100 ppm/°C 40 ppm/°C
socket (5) 100 ppm/°C 40 ppm/°C
socket (6) 100 ppm/°C 40 ppm/°C
5.1.3
cover closed cover open
socket (1)
socket (2)
1.3 ‰ 1.3 ‰
socket (3)
6 ‰ 6 ‰
socket (4) 5 ‰ 1.5 ‰
socket (5) 5 ‰ 1.5 ‰
socket (6) 5 ‰ 1.5 ‰
Longterm stability (2 years)